HbA1c and severe hypoglycemia after intensified treatment and education of 10 000 type-1-diabetec patients. Results of a ten years nationwide quality-circle. Oral lecture on the 37th Annual Meeting of the EASD, Glasgow 9. - 13. 9. 2001. - Müller,U.A.; Femerling,M.; Risse,A. (Diabetologia, 2001)